Caster wheel with break lock (set of 4) Assembly Required 9 in. L x 4 in. W x 10 in. H (8 lbs.) Industry Grade Caster wheel with built in brake lock for each wheel. This caster wheel is perfect for our model G-505 and KC-103 for easy in and out transport. Great for people wanting to move their rack in and out but no heavy lifting. Dimension:9 in. x4 in. x10 in. (each wheel)